Home / 36,762,414.30-55,143,621.45-20,638,100.70

Finding the Fourth Proportional to 36,762,414.30, 55,143,621.45 and 20,638,100.70

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Solution

The fourth proportional to 36,762,414.30, 55,143,621.45 and 20,638,100.70 is: 30,957,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762,414.30 : 55,143,621.45 = 20,638,100.70 : x
  2. Step 2: Convert to fraction form
    36,762,414.30/55,143,621.45 = 20,638,100.70/x
  3. Step 3: Cross multiply
    36,762,414.30x = 55,143,621.45 × 20,638,100.70
  4. Step 4: Simplify right side
    36,762,414.30x = 1,138,059,612,447,780
  5. Step 5: Solve for x
    x = 1,138,059,612,447,780/36,762,414.30
  6. Step 6: Final answer
    x = 30,957,151.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.